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Water filtration

Most home water filtration is theater. A pitcher filter that removes chlorine taste does not remove lead, chromium-6, PFAS, or the dozens of chlorinated by-products that show up in chlorinated municipal water. The systems listed here are the ones that publish independent third-party test results against NSF/ANSI 42, 53, and ideally 401 standards — and that publish them per contaminant, not as a marketing average.


What to look for — and what to avoid

The questions to ask, in order. One — does the manufacturer publish lab results against named contaminants, with reduction percentages, performed by a lab they don't own? Two — are replacement elements actually available, or does the company rotate cartridges every two years to force a system replacement? Three — what's the per-gallon cost of clean water over five years, including replacements? Four — if you're on a well, did you test the well first? A filter sized for municipal water can be the wrong filter for a well with high iron or hydrogen sulfide.


The brands

A gravity-fed countertop water filter aimed at people who want third-party-tested heavy metal and VOC reduction without plumbing in a system.

  • gravity-fed
  • countertop
  • off-grid-capable
  • us-made

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Why these and not others

We don't list pitcher-style filters that are marketed as "removing contaminants" but only test against taste-and-odor standards. We also exclude systems whose published test data was performed by the manufacturer's own in-house lab without independent corroboration. And we exclude any system whose proprietary cartridge cannot be cross-referenced to a known filtration media — if you can't tell what the cartridge actually contains, you can't evaluate the claims.

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